238023308898 has 12 divisors (see below), whose sum is σ = 515717169318. Its totient is φ = 79341102960.

The previous prime is 238023308869. The next prime is 238023308899. The reversal of 238023308898 is 898803320832.

238023308898 is a `hidden beast` number, since 238 + 0 + 23 + 308 + 89 + 8 = 666.

238023308898 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 213968229489 + 24055079409 = 462567^2 + 155097^2 .

It is not an unprimeable number, because it can be changed into a prime (238023308899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6611758563 + ... + 6611758598.

Almost surely, 2^238023308898 is an apocalyptic number.

238023308898 is an abundant number, since it is smaller than the sum of its proper divisors (277693860420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238023308898 is a wasteful number, since it uses less digits than its factorization.

238023308898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13223517169 (or 13223517166 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 238023308898 in words is "two hundred thirty-eight billion, twenty-three million, three hundred eight thousand, eight hundred ninety-eight".